Intervention group

Control group

Pre assessment

Post assessment

Pre assessment

Post assessment

Schools

Response rate

1929 (93.1)

2170 (91.9)

2074 (96.0)

2105 (93.9)

Sex (boys) n (%)

968 (50.2)

1045 (48.7)

965 (46.5)

1003 (47.7)

Age mean (SD)

13.2 (1.2)

13.2 (1.2)

13.4 (1.3)

13.3 (1.2)

workplace

Response rate

914 (76.7)

1098 (67.5)

861 (72.5)

1015 (77.5)

Sex (men) n (%)

591 (64.7)

719 (65.5)

508 (59.0)

623 (61.4)

Age mean (SD)

32.2 (8.1)

33.8 (8.1)

35.4 (8.7)

38.9 (8.8)

Neighborhood

Response rate

940 (73.5)

1001 (74.3)

940 (73.1)

976 (62.5)

Sex (men) n (%)

406 (43.2)

442 (44.2)

271 (28.8)

335 (34.3)

Age mean (SD)

37.2 (13.2)

39.2 (13.6)

38.6 (13.7)

40.4 (13.9)